Chevrolet Low Cab Forward 6.0L Gasoline Engine 3500/4500 Series (GMNA-
Localizing-U.S.-12533400) - 2019 - CRC - 11/19/18
18
In Brief
Exterior Lighting
Turning the light control switch to
the following positions will cause the
relevant lights to illuminate.
The light control switch can be used
when the engine control switch is
placed in the LOCK or ACC
position. Do not operate the
combination lights for an extended
time period with the engine off.
Otherwise, the battery may go dead,
making it impossible to restart the
engine.
9
:
Turns off all exterior lights.
;
:
Turns on the parking lights
including all exterior lights, except
the headlights.
2
:
Turns on the headlights
together with the parking lights,
sidemarker lights, roofmarker lights,
taillights, license plate light, and
instrument panel lights.
.
Windshield Wiper/Washer
To use the windshield wiper and
washer switches, the engine control
switch must be in the ON position.
The windshield wiper switch has the
following positions, which
correspond to the states of the
wiper.
9
:
Stopped.
3
:
Intermittent, light rain.
Low Speed :
Low speed,
moderate rain.
High Speed :
High speed,
heavy rain.
